package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * @author hm
 * @package com.sky.mapper
 * @date Created in 2024/11/5 15:23
 */
@Mapper
public interface ShoppingCartMapper {


    /**
     * 查询购物车内是否存在
     */
    ShoppingCart selectBy(ShoppingCart shoppingCart);

    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void update(ShoppingCart cart);

    /**
     * 添加购物车功能
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id查询购物车
     * @param userId
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> list(Long userId);


    /**
     * 根据用户id删除购物车
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void delete(Long currentId);


    /**
     *
     */
    @Delete("delete from shopping_cart where id = #{id} ")
    void deleteById(Long id);
}
